Final report of a 1992 Dodge Ram B250 van rear impact CNG fuel tank integrity

68 Pages·1993·3.5 MB·English

by  Looker, K. W

RC
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L66 5
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1993
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U.S. Department
ofTransportation
National Highway
Traffic Safety
Administration
DOTHS 808 300 October 1993
Final Report
Final Report of a 1992 Dodge Ram
CNG
B250 Van Rear Impact
Fuel Tank Integrity
Thisdocument isavailabletothe public from the NationalTechnical Information Service Sc'C e c \ \: "
Transportation Research Center Inc. does not endorse or certify products of
manufacturers. The manufacturer's name appears solely to identify the test
article. Transportation Research Center Inc. assumes no liability for the
report or use thereof. It is responsible for the facts and the accuracy of
the data presented herein. This report does not constitute a standard,
specification, or regulation.
This publication is distributed by the U. S. Department of Transportation,
National Highway Traffic Safety Administration, in the interest of
information exchange. The opinions, findings and conclusions expressed in
this publication are those of the author(s) and not necessarily those of the
Department of Transportation or the National Highway Traffic Safety
Administration. The United States Government assumes no liability for its
contents or use thereof. If trade or manufacturers' names or products are
mentioned, it is only because they are considered essential to the object of
the publication and should not be construed as an endorsement. The United
States Government does not endorse products or manufacturers.
(cm
u(jU5 Technical Report Documentation Page
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!• Report No. 2. Government Accession No. 3. Recipient's Catalog No.
.1 VRTC-83-0307
DOT HS 808 300
4. Title and Subtitle 5. Report Date
FINAL REPORT OF A 1992 DODGE RAM B250 VAN OCTOBER 1993
REAR IMPACT
CNG FUEL TANK INTEGRITY 6. Performing Organization Code
7. Author(s) 8. Performing OrganizationReport No.
K. W. Looker, Project Engineer, TRC
930925
9. Performing Organization Name and Address 10. Work Unit No. (TRAJS)
National Highway Traffic Safety Admin.
Vehicle Research and Test Center 11. Contract or Grant No.
P. O. BOX 37 DTNH22-88-C-07292
East Libertv. OH 43319
12. Sponsoring Agency Name and Address 13. Type ofReport and Period Covered
U. S. Department of Transportation FINAL REPORT
National Highway Traffic Safety Administration SEPT. - NOV. 1993
400 Seventh St., S.W.
Washington, DC 20590 14. Sponsoring agency Code
DOT/NHTSA/VRTC
IS. Supplemental Notes
16. Abstract
This 30 mph rear impact test was conducted at Transportation Research Center Inc.
on September 25, 1993. The subject vehicle, a Dodge Ram 250 Model B van, VIN
2B4HB25TXNK135503 was impacted in the rear by the FMVSS 301 moving barrier at 29.3 mph.
The purpose of this test was to investigate and demonstrate the practicality of the
proposed FMVSS 303 test procedure for evaluating the fuel system integrity of a CNG
fueled vehicle.
DEPARTMENT OF
TRANSPORTATION
OCT 7 1995
1
NASEIF BRANCH
LIBRARY
17. Key Words 18. Distribution Statement
Document is available to the
CNG Fuel System Integrity
public through the National
Technical Information Service
Springfield, VA 22161
19. Security Classil. (of this report) 20. Security Classil. (of this page) 21. No. of Pages i: jwc
UNCLASSIFIED UNCLASSIFIED 60
Form DOT F 1700.0 (8-72) Reproduction of completed page authorized
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111
TABLE OF CONTENTS
SECTION DESCRIPTION PAGE
1.0 PURPOSE AND TEST PROCEDURE 1-1
2.0 REAR IMPACT TEST SUMMARY 2-1
3.0 CAMERA INFORMATION 1«
—
APPENDIX A PHOTOGRAPHS A—
APPENDIX B DATA PLOTS B—
iii
LIST OF TABLES
NUMBER TITLE PAGE
1 CRASH TEST SUMMARY 2-4
2 TEST VEHICLE INFORMATION 2-5
3 POST-IMPACT DATA 2-8
4 POST-IMPACT DUMMY/VEHICLE DATA 2-10
5 VEHICLE ACCELEROMETER LOCATIONS AND DATA SUMMARY 2-13
6 MOVING BARRIER ACCELEROMETER LOCATIONS AND DATA SUMMARY 2-15
7 FUEL SYSTEM DATA 2-16
8 MOTION PICTURE CAMERA INFORMATION 3-3
IV
LIST OF FIGURES
NUMBER TITLE PAGE
1 IMPACT VELOCITY MEASUREMENT SYSTEM 2-9
2 VEHICLE CRUSH 2-11
3 VEHICLE ACCELEROMETER PLACEMENT 2-12
4 MOVING BARRIER ACCELEROMETER PLACEMENT 2-14
5 CAMERA POSITIONS 3-2
V
LIST OF PHOTOGRAPHS
DESCRIPTION FIGURE
PRE-TEST FRONT VIEW A-l
POST-TEST FRONT VIEW A-2
PRE-TEST LEFT SIDE VIEW A-3
POST-TEST LEFT SIDE VIEW A-4
PRE-TEST REAR VIEW A-5
POST-TEST REAR VIEW A-6
PRE-TEST RIGHT SIDE VIEW A-7
POST-TEST RIGHT SIDE VIEW A-8
PRE-TEST RIGHT FRONT THREE-QUARTER VIEW A-9
POST-TEST RIGHT FRONT THREE-QUARTER VIEW A-10
PRE-TEST RIGHT REAR THREE-QUARTER VIEW A-ll
POST-TEST RIGHT REAR THREE-QUARTER VIEW A-12
PRE-TEST LEFT FRONT THREE-QUARTER VIEW A-13
POST-TEST LEFT FRONT THREE-QUARTER VIEW A-14
PRE-TEST LEFT REAR THREE-QUARTER VIEW A-15
POST-TEST LEFT REAR THREE-QUARTER VIEW A-16
PRE-TEST OVERHEAD VIEW A-17
PRE-TEST FUEL TANK - VIEW A-18
1
PRE-TEST FUEL TANK - VIEW 2 A-19
POST-TEST FUEL TANK VIEW A-20
PRE-TEST FRONT UNDERBODY VIEW A-21
POST-TEST FRONT UNDERBODY VIEW A-22
PRE-TEST REAR UNDERBODY VIEW A-23
POST-TEST REAR UNDERBODY VIEW A-24
VI
SECTION 1.0
PURPOSE AND TEST PROCEDURE
1-1
PURPOSE
This 30 mph moving barrier rear impact test was conducted for Vehicle
Research and Test Center by Transportation Research Center Inc. (TRC). The
purpose of this test was to investigate and demonstrate the practicality of
the proposed FMVSS 303 test procedure for evaluating the fuel system
integrity of a CNG fueled vehicle. The subject vehicle for this test was a
Dodge Ram 250 Model B van.
1-2